Software Engineer Jobs in Seattle, Washington

Build and operate ultra-scale ad-serving infrastructure that processes trillions of ads daily and powers real-time eligibility, signals, and caching across Amazon Advertising. This role offers broad technical ownership of tier-1 distributed systems with measurable customer and advertiser impact.

Staff Software Engineer responsible for building and operating a multi-cloud data platform spanning orchestration, Kubernetes infrastructure, observability, governance, and big-data systems. The role combines hands-on DevOps ownership with technical leadership across AWS and Azure.

Build and operate scalable ground-control tooling for Amazon Leo’s low-Earth-orbit satellite mission. You’ll develop performant applications that support launch, rehearsals, constellation automation, and on-orbit operations.

Join Microsoft’s founding Forward Deployed Engineering team to help enterprise developers move production workloads onto Windows. You’ll embed with customer engineering organizations, build solutions in their environments, and turn measurable adoption challenges into platform improvements.

Lead the architecture and hands-on development of a self-service infrastructure orchestration platform that makes global cloud and regional buildouts faster, safer, and more repeatable. The role combines distributed-systems engineering, deployment automation, operational reliability, and technical leadership across Azure and Microsoft 365 teams.

CreatorIQ is seeking a Senior Full-Stack Engineer to build and govern production-grade AI agent experiences across React/TypeScript frontends and Node.js/Python backends. The role combines agent discovery, enterprise safety guardrails, MCP integrations, and scalable cloud infrastructure.

Senior Backend Software Engineer at Brex building scalable, customer-facing financial products that improve banking experiences for businesses. The role owns features end-to-end in a hybrid Seattle environment.

Lead the technical direction of Apple’s multimodal Human Sensing team, building computer vision and machine learning systems for facial and full-body perception. This hands-on role combines ML program leadership, evaluation strategy, dataset design, model optimization, and cross-functional technical mentorship.